# US 2018/0111144 A1 · Trigger pump dispenser > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2018/0111144 A1 - Document ID: US20180111144A1 - Status: Published application - Kind: A1 - Application number: 15/786,173 - Filed: 2017-10-17 - Published: 2018-04-26 - Earliest claimed: 2016-10-18 - Assignees: Flocon, Inc. - Applicants: FLOCON, Inc. - Inventors: Stephan M. Ballot; David A. Snyder; Fred M. Ekstrom; Robert D. Forschler; Thomas A. Nelsen - Web page: https://patentgrep.com/patent/US20180111144A1 ## CPC - B05B 11/1011: {without substantial movement of the nozzle in the direction of the pressure stroke} - B05B 11/1002: {the direction of the pressure stroke being substantially perpendicular to the major axis of the container (B05B11/1009, B05B11/1015 take precedence)} - B05B 11/1057: {Triggers, i.e. actuation means consisting of a single lever having one end rotating or pivoting around an axis or a hinge fixedly attached to the container, and another end directly actuated by the user} - B05B: SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES (spray-mixers with nozzles B01F25/72; processes for applying liquids or other fluent materials to surfaces by spraying B05D) ## Abstract An improved pump is disclosed comprising a pump body having a piston supported by a base from a fluid reservoir. A trigger extends a between a first portion and a second portion with an intermediate trigger pivot mounted relative to the base. A cam and a cam follower couples the first portion of the trigger with the piston for enabling a depression of the second portion trigger to move the piston to spray fluid from the pump body orifice. ## Claims ### Claim 1 An improved pump dispenser for discharging a fluid from a fluid reservoir, comprising: a pump body having a pump body orifice; a piston slidably disposed in said pump body; a base supporting said pump body relative a the fluid reservoir; a trigger extending a between a first portion and a second portion; a base pivot pivotably mounting said trigger relative to the base; and a cam and a cam follower coupling said first portion of said trigger with said piston for enabling a depression of said second portion trigger to move said piston to spray fluid from said pump body orifice. ### Claim 2 (depends on 1) An improved pump dispenser as set forth in claim 1, wherein said base secures said pump body to said base enabling the interchange of different pump bodies. ### Claim 3 (depends on 1) An improved pump dispenser as set forth in claim 1, including a hood for covering the pump body for changing the appearance of the pump dispenser. ### Claim 4 (depends on 1) An improved pump dispenser as set forth claim 1, including an arm extending from said base; and said base pivot mounted on said arm for pivoting said trigger. ### Claim 5 (depends on 1) An improved pump dispenser as set forth in claim 1, wherein said cam is located on said first portion of said trigger and said cam follower is connected to said piston. ### Claim 6 (depends on 1) An improved pump dispenser as set forth in claim 1, wherein said cam is located on said first portion of said trigger; and said cam follower disposed on a linkage interconnected to said piston. ### Claim 7 (depends on 1) An improved pump dispenser as set forth in claim 1, including a linkage interconnected to said piston; said cam being located on said first portion of said trigger; and said cam follower disposed on said linkage. ### Claim 8 (depends on 1) An improved pump dispenser as set forth in claim 1, including a linkage slidably mounted to said pump body; said cam being located on said first portion of said trigger; and said cam follower disposed on said linkage for transforming a pivoting movement of said cam into a linear movement of said cam follower. ### Claim 9 (depends on 1) An improved pump dispenser as set forth in claim 1, wherein said pump body extends between a first and a second cylindrical end; a linear slot defined in said pump body; a linkage slidably mounted in said linear slot; said cam being located on said first portion of said trigger; and said cam follower disposed on said linkage for transforming a pivoting movement of said cam into a linear movement of said cam follower. ### Claim 10 (depends on 1) An improved pump dispenser as set forth in claim 1, wherein said pump body extends between a first and a second cylindrical end; and a pump body orifice defined in said first end of said pump body for providing a linear fluid path from the piston to said pump body orifice. ### Claim 11 (depends on 1) An improved pump dispenser as set forth in claim 1, including a return spring for biasing said piston in an unattended position. a pivot of said trigger moving said piston against the bias of said spring for spraying a fluid from said pump body orifice. ### Claim 12 An improved pump dispenser for discharging a fluid from a fluid reservoir, comprising: a pump body extending between a first and a second cylindrical end; a pump body orifice located in said first end of said pump body; a piston slidably mounted in said pump body; a base supporting said pump body relative to the fluid reservoir; a trigger extending a between a first portion and a second portion; a base pivot pivotably mounting said trigger relative to said base; and a first and a second cam defined in said first portion of said trigger; a generally U-shape linkage straddling opposed sides of said pump body for engaging with said piston; a first and a second cam follower located on a first and a second distal end of said generally U-shape linkage for coupling with said first and second cams defined in said first portion of said trigger enabling a pivoting movement of said second portion trigger to move linearly said piston to spray fluid from said pump body orifice. ### Claim 13 (depends on 12) An improved pump dispenser as set forth in claim 12, wherein each of said first and second cam followers includes plural cam follower projections. ### Claim 14 (depends on 12) An improved pump dispenser as set forth in claim 12, wherein a first and a second linear slot is defined in opposed sides of said pump body; and said generally U-shape linkage slidably mounted in said first and second linear slots. ### Claim 15 (depends on 12) An improved pump dispenser as set forth in claim 12, wherein a first and a second linear slot extend though opposed sides of said pump body; and said generally U-shape linkage slidably mounted in said first and second linear slots. ### Claim 16 (depends on 12) An improved pump dispenser as set forth in claim 12, wherein said first and second cams are defined in said first portion of said trigger on opposed adjacent sides of said pump body orifice. ### Claim 17 An improved pump for discharging a fluid from a fluid reservoir, comprising: a pump body with a piston slidably mounted therein for discharging a fluid through a pump body orifice: a base interposed between said pump body to the fluid reservoir; a one-way valve communicating said pump body with said fluid reservoir for enabling fluid to flow from said fluid reservoir into said pump body; a vent communicating said pump body with said fluid reservoir; a trigger pivotably mounted relative to said base; a trigger extending a between a first portion and a second portion with a trigger pivot disposed therebetween; a base pivot engaging with said trigger pivot for pivoting said trigger; and a cam and a cam follower coupling said first portion of said trigger with said piston for enabling a depression of said second portion trigger to move said piston to spray fluid from said pump body orifice. ### Claim 18 (depends on 17) An improved pump dispenser as set forth in claim 17, wherein said piston is slidably mounted within said pump body; a return spring acting between said closed end ends said piston for biasing said piston in an unattended position; a pivoting of said trigger moving said piston against the bias of said spring for spraying a fluid from said pump body orifice. ### Claim 19 (depends on 17) An improved pump dispenser as set forth in claim 17, wherein said base connector connects said pump body to said base in a deformable engagement. ### Claim 20 (depends on 17) An improved pump dispenser as set forth in claim 17, wherein said base connector connects said pump body to said base in a deformable engagement for simplify assembly and/or changing the appearance of the pump dispenser. ### Claim 21 (depends on 17) An improved pump dispenser as set forth in claim 17, wherein said base connector connects said pump body to said base in a deformable engagement for allowing the use of multiple styles and types of nozzle designs to change the spray characteristics oft e pump dispenser. ### Claim 22 (depends on 17) An improved pump dispenser as set forth in claim 17, wherein said base connector connects said pump body to said base in a deformable engagement for allowing the use multiple styles of trigger elements to change the appearance, actuation forces and ergonomics of the pump dispenser ### Claim 23 An improved actuator for a pump, the pump having a pump body with a piston slidably mounted therein for discharging a fluid through a pump body orifice from a fluid reservoir, the improved actuator comprising: a base having a fluid reservoir attachment for connecting to the fluid reservoir; a base connector for securing the pump body to said base; a one-way valve communicating the pump body with the fluid reservoir for enabling fluid from the fluid reservoir to enter the pump body; a vent communicating the pump body with the fluid reservoir; a trigger pivotably mounted relative to said base; a trigger extending a between a first portion and a second portion with a pivot point disposed therebetween; a pivot mounted relative to said base for engaging with said pivot point for pivoting said trigger; and a cam and a cam follower coupling said first portion of said trigger with the piston for enabling a depression of said second portion trigger to move the piston to spray fluid from the pump body orifice. ### Claim 24 (depends on 23) improved pump dispenser as set forth in claim 23, wherein said base connector secures the pump body to said base enabling the interchange of different pump bodies. ### Claim 25 (depends on 23) An improved pump dispenser as set forth in claim 23, including a hood for covering the pump body for changing the appearance of the pump dispenser.